Worse yet, once bad examples are set by major vendors ... the mouse-oriented graphical user interface (GUI) emerged, which simulates a desktop environment. See GUI and desktop environment.

Although the graphical user interface (GUI) owes its existence to the contribution of many great minds in the history of technology, Apple was first to market with a personal computer that ...

For example: Developers will also select an appropriate user interface for the application. Common user interfaces include: command line, menu driven, graphical and natural language. A command ...

but it can take longer to learn how to use a CLI than a GUI. Originally, most interfaces were CLIs. They still exist within modern operating systems, for example the command prompt app in Windows ...